an498 si114x designer's guide

swain April 02, 2022 an498 , designers , guide Comment

Introduction This application note provides an outline for using the Si114x proximity detector and ambient-light sensor. IrLED Selection Guide for Si114x Proximity Applications.

For more details refer to AN498.

. Typical Application Typically the Si114x is configured to detect the proximity of an object to be detected such as a users hand and may also need to report ambient light for the purpose of screen dimming. The PS_ADC_MODE selects whether a proximity measurement or a Raw ADC measurement is made. Plus 3 µA Si114x supply 500 nA standby current 256 µs LED on time keeps total power consumption duty cycle low without compromising performance or noise immunity Internal and external wake support Built-in voltage supply monitor and power-on reset controller Serial communications Up to 34 Mbps data rate.

Si1147-M01 Module Application Schematic with Three LEDs and Separate LED Power Supply SDA SCL VDD INT LED1 LED3 LED2 22 µF 20 6 V 30 Ohm 5 116 W 33 V 01 uF Host SDA SCL INT Si1147-M01 LEDA GND LED1 LED3 LED2 Si1147 No Pop V BAT 33 to 43V SDA. IR-LED Selection Guide for Si114x Proximity Applications. Si114X DESIGNERS GUIDE.

AN498 Si11 4 X D ESIGNER S G U ID E 1. For more application examples refer to AN498. 1000 900 800 700 600 500 Calculated lux 400 300 200 100 Halogen 4000 3500 3000 2500 2000 21500 1000 500 White 90 large photodiode - - Gray 18 large photodiode -.

Design allows it to be used as both a stand-alone evaluation board for basic SoC experimentation or combined with a carrier card as an embeddable system-on-module SOM. For more application examples refer to AN498. Si114x Designer s Guide.

Si1147-M01 Module Application Schematic with Three LEDs and Separate LED Power Supply SDA SCL VDD INT LED1 LED3 LED2 22 µF 20 6 V 30 Ohm 5 116 W 33 V 01 uF Host SDA SCL INT Si1147-M01 LEDA GND LED1 LED3 LED2 Si1147 No Pop VBAT 33 to 43V. For more information about LEDs refer to AN521. IrLED Selection Guide for Si114x Proximity Applications.

The first step is the conversion of the raw data inputs to usable distance data. E S I G N E R. For more application examples refer to AN498.

Si1142 and Si1143 only. Si1147-M01 Module Application Schematic with Three LEDs and. Si1147-M01 Module Application Schematic for Long-Range Proximity Detection Note.

Visible VDD SDA SCL Regulator I2C LED Drivers LED1 LED32 LED21 GND INT Infrared Registers A M U X ADC Temp Filter Oscillator Digital Sequencer Control Logic 1. Si1146 and Si1147 only. General considerations of electrical and optical component selection programming and power consumption are explained so as to cover the majority of situations.

Si114x Optical Sensor Designer s Guide A N 4 9 8. Si114X DESIGNERS GUIDE. Si1142 and Si1143 only.

Si114x Designer s Guide. MicroZed contains two IO headers that provide connection to two IO banks on the programmable logic PL side of the Zynq-7000 AP SoC device. Visible VDD SDA SCL Regulator I2C LED Drivers LED1 LED2 LED3 GND INT Infrared Registers A M U X ADC Temp Filter Oscillator Digital Sequencer Control Logic LEDA LED1 LED32 LED21 Si1143 ProximityAmbient Light Sensor IC Si1143-M01 Notes.

User manual AN498. SDA SCL VDD INT LED1 GND CVDD CVDD Si1141 15 µF 20. Ambient Light The Si1132 has photodiodes capable of measuring both visible and infrared light.

Si1142-M01 and Si1143-M01 only. General considerations of electrical and optical component selection programming and power consumption are explained so as to cover the majority of situations. Ambient Light The Si1132 has photodiodes capable of measuring both vi sible and infrared light.

Must be tied to VDD with Si1141. Si114x Designers Guide AN521. For more application examples refer to AN498.

IrLED Selection Guide for Si114x Proximity Applications. Features Si1145 Integrated infrared proximity detector Proximity detection adjustable from under 1 cm to over 50 cm Integrated LED driver 15 current settings from 56 mA to 360 mA for LED driver 256 µs LED driver pulse width 50 cm proximity range with single pulse. However the visible photodiode is also influenced by infrared light.

Including emitter-to-receiver optical isolation refer to AN498. S i 11 4. Plus 3 μA Si114x supply 500 nA standby current 256 μs LED on time keeps total power consumption duty cycle low without compromising performance or noise immunity Internal and external wake support Built-in voltage supply monitor and power-on reset controller Serial communications Up to 34 Mbps data rate.

Visible VDD SDA SCL Regulator I2C LED Drivers LED1 LED32 LED21 GND INT Infrared Registers A M U X ADC Temp Filter Oscillator Digital Sequencer Control Logic 1. Howe ver the visible photodiode is also influenced by infrared light. For more application examples refer to AN498.

Si114x Designers Guide for more details on component selection. Visible VDD SDA SCL Regulator I2C LED Drivers LED1 LED32 LED21 GND INT Infrared Registers A M U X ADC Temp Filter Oscillator Digital Sequencer Control Logic 1. For more details refer to AN498.

SDA SCL VDD INT LED1 GND. The measurement of illuminance requires the same spectral response as the human eye. In addition to the photodiode used for.

Must be tied to VDD with Si1141 and Si1142. Method 1Position-based Gesture Sensing The position-based motion sensing algorithm involves three primary steps. For more application examples refer to AN498.

ADC mode is used when one of the proximity channels is used for ambient-light sensing. SI11414243 ProximityAmbient light sensor IC with I 2 C interface. 10 3 Figure 3.

For more application examples refer to AN498. The measurement of illuminance require s the same spectral response as the human eye. Introduction This application note provides an outline for using the Si114x proximity detector and ambient-light sensor.

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